Light-emitting or receiving device with smooth and hard encapsul

Details Light-emitting or receiving device with smooth and hard encapsul Light-emitting or receiving device with smooth and hard encapsul

1989-03-28

1992-03-31

Hille, Rolf

H01L 2328, H01L 2330

Patent

active

051012642

ABSTRACT:
There is provided a light-emitting or receiving device having improved weatherability, chemical resistance, hardness, and optical properties, wherein a light-emitting or receiving element is encapsulated with a polymer of a polymerizable liquid composition comprising (a) a monomer or an oligomer or a mixture thereof containing a diallyl compound as an essential ingredient.
There is also provided an encapsulant and a method for encapsulating a light-emitting or receiving element.

REFERENCES:
patent: 4521577 (1985-06-01), Romano et al.
patent: 4623705 (1986-11-01), Romano et al.

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